“You’re out of your league”: Q Who (TNG) vs. Regeneration (Enterprise)

Humanity comes face to face with the dehumanizing nightmare of the Borg, for the first time … twice.

“If we’re going to be damned, let’s be damned for what we really are”: Encounter at Farpoint (TNG) vs. Emissary (DS9)

In the first episode of TNG, Picard wants to see what’s out there, and in the first episode of DS9, Sisko’s not afraid to get his hands dirty.

“Is there a John Luck Pickurd here?”: Yesteryear (TAS) vs. Tapestry (TNG)

Young Spock learns that the needs of an injured pet outweigh the needs of its owner, and young Picard learns that getting stabbed through the heart can be good, actually.